Conference on Lasers and Electro-Optics (CLEO), Maryland, United States Of America, 1 - 06 May 2011
We show that mechanically stressed nanomembranes can be used to introduce sufficient tensile strain in Ge to transform it into a direct-bandgap, efficient light-emitting material that can support population inversion and thus provide optical gain. (C) 2011 Optical Society of America